public class Test06 {
    public int findPeakElement(int[] nums) {

        int left = 0 , right = nums.length - 1;
        while(left < right){
            int mid =  left + (right - left ) / 2;
            if(nums[mid] > nums[mid + 1]) right = mid;
            else left = mid + 1;
        }

        return left;

    }
}
